html {
    font-size: 16px;
}

body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 1rem;
}

h1 {
    font-size: 2.5rem;
    color: #fff;
    background-color: #007bff;
    margin: 0.25rem 0 0.25rem;
    padding: 1rem 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 0.625rem;
    max-width: 600px;
    margin: 0 auto;
}

.custom-container {
    background-color: #f9f9f9;
    padding: 1rem 2rem;
    border-radius: 0.625rem;
    margin-top: 0.5rem;
}

p {
    font-size: 1.125rem;
    margin: 0.625rem;
}

button {
    margin-top: 1rem;
    font-size: 1rem;
}

#mode-dropdown {
    width: fit-content; /* Adjust width based on the content */
    margin: 0 auto; /* Center the dropdown horizontally */
}